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Author Question: Indicate whether the symbol r is a parameter or statistic. Justify your ... (Read 78 times)

scienceeasy

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on: Jul 24, 2018
Indicate whether the symbol r is a parameter or statistic. Justify your answer.

Question 2

Given a Poisson random variable x, where the average number of times an event occurs in a certain period of time or space is 1.5, then P(x = 2) is:
 a. 0.2231
  b. 0.5020
  c. 0.2510
  d. 0.1116
  e. 0.5


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tranoy

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Reply #1 on: Jul 24, 2018
Answer to Question 1

The symbol r is a statistic since it represents the sample correlation coefficient.

Answer to Question 2

C


scienceeasy

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

upturnedfurball

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Reply 3 on: Yesterday
Wow, this really help

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